Update Dockerfile

Dockerfile

@@ -13,7 +13,14 @@ RUN apt-get update && apt-get install -y \
     python3-pip \
     python3-setuptools \
     python3-venv \
-    makensis \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Add the NSIS repository and install makensis
+RUN wget -qO - https://packages.nsis.sourceforge.io/debian/NSIS.key | apt-key add - \
+    && echo "deb https://packages.nsis.sourceforge.io/debian stable main" > /etc/apt/sources.list.d/nsis.list \
+    && apt-get update \
+    && apt-get install -y makensis \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*